<!doctype html>
<html>
<head>
    <meta charset="utf-8">
    <title>Upload</title>
</head>
<body>
<form method="POST" action="/public/file/upload" enctype="multipart/form-data">
    Choose an image to upload: <input name="file" type="file" />
    <input type="submit" value="上传" />
</form>
</body>
</html>